Main muscles: Pectoral, triceps, deltoids.
Lying on a flat bench, with your head and back well supported, and your feet flat on the floor (similar to a flat bench press), hold the dumbbells slightly apart above your chest.
Another person's help may be needed to put the dumbbells in the starting position.
Lower the dumbbells to your chest and return them to the starting position, slightly apart.
- Get down too much with the dumbbells.
- Hit the dumbbells together on the way up.